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Table 27 Total cost (Euro) and total payback time (years) of each retrofit scenario

From: Planned energy-efficient retrofitting of a residential building in Italy

Scenario Cost Cost with incentives Payback Payback with incentives
Retrofit 1 67,419 23,597 17.1 6.0
Retrofit 2 85,743 30,010 16.8 5.9
Retrofit 3 224,343 78,520 32.2 11.3
Retrofit 4 225,214 78,825 31.5 11.0
Retrofit 5 236,874 82,906 31.5 11.0